Add support for SSD1306 64x32 0.49 inch oled display

[FREEWING-JP]

Add support for SSD1306 64x32 0.49 inch oled display .

Tested with

• I2C OLED SSD1306 64x32 0.49 inch
• RP2040 I2C
• ESP32-S2 I2C

How to use it:

// I2C OLED SSD1306 64x32 0.49 inch
#define OLED_I2C_ADDRESS 0x3C
oled.begin(&MicroOLED64x32, OLED_I2C_ADDRESS);

[greiman]

This will appear in the next release together with other mods.

I now have more than one version of the 64x32 0.49 inch display submitted plus other mods to test.